81888030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1231

約数の個数: 128

約数和(自身を含む): 256527360

約数和(自身を除く): 174639330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 518, 555, 630, 666, 777, 945, 999, 1110, 1171, 1295, 1554, 1665, 1890, 1998, 2331, 2342, 2590, 3330, 3513, 3885, 4662, 4995, 5855, 6993, 7026, 7770, 8197, 9990, 10539, 11655, 11710, 13986, 16394, 17565, 21078, 23310, 24591, 31617, 34965, 35130, 40985, 43327, 49182, 52695, 63234, 69930, 73773, 81970, 86654, 105390, 122955, 129981, 147546, 158085, 216635, 221319, 245910, 259962, 303289, 316170, 368865, 389943, 433270, 442638, 606578, 649905, 737730, 779886, 909867, 1106595, 1169829, 1299810, 1516445, 1819734, 1949715, 2213190, 2339658, 2729601, 3032890, 3899430, 4549335, 5459202, 5849145, 8188803, 9098670, 11698290, 13648005, 16377606, 27296010, 40944015, 81888030]

約数ペア:

[(1, 81888030), (2, 40944015), (3, 27296010), (5, 16377606), (6, 13648005), (7, 11698290), (9, 9098670), (10, 8188803), (14, 5849145), (15, 5459202), (18, 4549335), (21, 3899430), (27, 3032890), (30, 2729601), (35, 2339658), (37, 2213190), (42, 1949715), (45, 1819734), (54, 1516445), (63, 1299810), (70, 1169829), (74, 1106595), (90, 909867), (105, 779886), (111, 737730), (126, 649905), (135, 606578), (185, 442638), (189, 433270), (210, 389943), (222, 368865), (259, 316170), (270, 303289), (315, 259962), (333, 245910), (370, 221319), (378, 216635), (518, 158085), (555, 147546), (630, 129981), (666, 122955), (777, 105390), (945, 86654), (999, 81970), (1110, 73773), (1171, 69930), (1295, 63234), (1554, 52695), (1665, 49182), (1890, 43327), (1998, 40985), (2331, 35130), (2342, 34965), (2590, 31617), (3330, 24591), (3513, 23310), (3885, 21078), (4662, 17565), (4995, 16394), (5855, 13986), (6993, 11710), (7026, 11655), (7770, 10539), (8197, 9990)]